Diplomatic relations were established in 1931.
Argentina recognized Lithuania de jure оn 25 August 1991.
Diplomatic relations were re-established on 25 September 1991.
From 1996 to 1999, Vytautas Antanas Dambrava served as the first Ambassador of Lithuania to Argentina after the re-establishment of independence (resided in Spain).
From 1993 to 1997, Hugo Augusto Urtubey served as the first Ambassador of Argentina to Lithuania after the re-establishment of independence (resided in Finland).